feat: '--in-prefix STRING' option (#426)

Prefix user inputs with a string

1 files changed, 3 insertions, 0 deletions

diff --git a/utils.cpp b/utils.cpp
index 2f995c1..ef3b67a 100644
--- a/utils.cpp
+++ b/utils.cpp
@@ -155,6 +155,8 @@ bool gpt_params_parse(int argc, char ** argv, gpt_params & params) {
             exit(0);
         } else if (arg == "--random-prompt") {
             params.random_prompt = true;
+        } else if (arg == "--in-prefix") {
+            params.input_prefix = argv[++i];
         } else {
             fprintf(stderr, "error: unknown argument: %s\n", arg.c_str());
             gpt_print_usage(argc, argv, params);
@@ -187,6 +189,7 @@ void gpt_print_usage(int /*argc*/, char ** argv, const gpt_params & params) {
     fprintf(stderr, "  -p PROMPT, --prompt PROMPT\n");
     fprintf(stderr, "                        prompt to start generation with (default: empty)\n");
     fprintf(stderr, "  --random-prompt       start with a randomized prompt.\n");
+    fprintf(stderr, "  --in-prefix STRING    string to prefix user inputs with (default: empty)\n");
     fprintf(stderr, "  -f FNAME, --file FNAME\n");
     fprintf(stderr, "                        prompt file to start generation.\n");
     fprintf(stderr, "  -n N, --n_predict N   number of tokens to predict (default: %d)\n", params.n_predict);